Introduction: 2021 National College Student Electronic Design Competition Periodic Signal Waveform Identification and Parameter Measurement Device (Title J) National First Prize Work
Introduction: Lichuang EDA Bionic Mechanical Dog Training Camp - Basic Camp Xiao Jian Zhong. By participating in the bionic mechanical dog training camp jointly organized by Chuanzhi Education and Lichuang eda, I received Lichuang eda's guidance on hardware design and Chuanzhi Education's software guidance, and completed the basic task of this training camp - small children. Cheap clock.
Introduction: A gadget that can check USB voltage and current
Introduction: The light column display panel supporting the pneumatic measuring instrument can drive 10 10-segment red, green, and yellow light column displays and has a monochrome LCD screen.
Introduction: Make a N32G430C8L7 core board + USB current and voltage collector, with ch340n, all io ports are led out
Introduction: Dabai intelligent voice assistant, based on Tuya VWXR2 online voice module, is an elf that integrates intelligent infrared voice control of home appliances, weather query, and encyclopedia knowledge Q&A.
Introduction: A development board that is of no use, just for boring and boring drawings.
Introduction: A useless love lamp that I painted when I was bored.
Introduction: Homemade left-hand keyboard, using Atmega32U4 main control, QMK open source firmware, WS2812 (3528 reverse sticker) RGB light, hot-swappable axis body, 3D printed shell, the information is all in the group, everyone is welcome to join the communication group: 230235644, if you have any questions If you have any questions, you can chat with me privately.
Introduction: Homemade 12-key 4-knob docking station small keyboard, using Atmega32U4 main control, QMK open source firmware, WS2812RGB lamp, hot-swappable shaft body, 3D printed shell, the information is organized and put in the group, communication group ① group: 230235644 ② group: 460140710
Introduction: A mini portable power bank that can be carried around without carrying a charging cable. It comes with a type-c male plug and can directly charge mobile phones. At the same time, the cost is extremely low and only costs less than 5 yuan.
Introduction: A four-way motor driver board that can be connected to the RS485 bus to control the motor array.
Introduction: Useless USB serial port debugging & downloader
Introduction: CH340G to TTL serial port downloader, this downloader supports 3.3V and 5V STC full series of MCU programming programs and BSL mode programming of MSP430 MCU is limited to MspFet software programming.
Introduction: This project uses the Hi3861 IoT WiFi module of Chuanzhi Education as the main control. It can realize the intelligent switch function by controlling the steering gear to rotate the toggle switch, or it can also realize the intelligent switch function by controlling the pull-in of the relay. At the same time, the board is equipped with a program download circuit to facilitate development and debugging.
Introduction: A collection of many ruler projects from Kaiyuan Plaza, including protractors, current line widths, color ring resistors, transistors, line width indicators, wire diameter indicators, and rulers in mm units for common packages.
Introduction: The WIFI smart switch based on Hongmeng Hi3861 integrates the 18650 lithium battery charge and discharge management module of TP5400. Connecting a servo can use WIFI to remotely switch the physical switch.
Introduction: Self-made Dynamixel servo power conversion interface, low cost (original price 60 yuan, this one only costs less than 10 yuan) to copy the "Smart Robot Servo Special Electronic Module USB Connection Special Communication Module" to resist profiteering